* Noun: This is the most common usage. It refers to the sound produced by the vocal cords.
* Example: "She has a beautiful singing voice."
* Verb: It can mean to express something verbally.
* Example: "The protesters voiced their concerns to the mayor."
* Adjective: It can describe something that is spoken or verbal.
* Example: "He gave a voice message."
The part of speech is determined by how the word functions in a sentence.